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Alja [10]
3 years ago
11

Find the missing angle (?) and show your work.

Mathematics
1 answer:
castortr0y [4]3 years ago
3 0

Answer:

D)

Step-by-step explanation:

1. the rule: m∠EFG *2=m~EFG (the missing angle)

2. according to the rule above the required missing angle is:

m~EFG=2*118°=236°.

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1. Solve for x. Then find the angle measures of the<br>triangle?<br>(4x)<br>(6x+55)<br>(9x+30)​
nalin [4]

Answer:

x =  5.

First angle = 20°,  Second angle = 85°,  Third angle  = 75°

Step-by-step explanation:

The first angle of the triangle  =  (4 x)

The second  angle of the triangle  =  (6x + 55)

The third angle of the triangle  =  (9x + 30)

By ANGLE SUM PROPERTY of a triangle:

First angle + Second  angle +  Third angle  = 180°

⇒ (4 x)  + (6x+55)   +  (9x+30)​  = 180°

or, (4x + 6x + 9x) + ( 55 + 30) =  180°

or, 19x = 180 - 85

or, 19 x  = 95   ⇒ x = 95 /19 = 5

or, x = 5

Hence, first angle of the triangle =  (4 x) = 4 x 5 = 20°

Second angle = ( 6x + 30)  = 6(5) + 55 = 85°

Third angle = (9x  + 30  = 9(5) + 30 = 75°

8 0
3 years ago
The members of a health spa pay annual membership dues of $300 plus a charge of $2 for each visit to the spa. Let Y denote the d
Ganezh [65]

Answer:

Y = 300 + 2X

Y( in dollars)

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Step-by-step explanation:

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Annual fixed due = $300

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It is a functional relationship because a change in the value of X results in a corresponding change in the value of Y. And does not involve any uncertainty.

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Answer:

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Step-by-step explanation:

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